OpenTofu
Listing / Infra as Code

OpenTofu

Open-source Terraform fork with state encryption, managed by Linux Foundation.

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Open-source, community-driven infrastructure-as-code tool forked from Terraform and managed by the Linux Foundation, offering full HCL compatibility with added features like native state encryption and early variable evaluation.

Moment Integration

Moment Template Coming Soon.

Home Page

https://opentofu.org/

Key Features

  1. Declarative infrastructure provisioning using HCL (HashiCorp Configuration Language)
  2. Native client-side state file encryption (AES-GCM with AWS KMS, GCP KMS, OpenBao, PBKDF2)
  3. Early variable and locals evaluation in backend and module source blocks
  4. Provider iteration with for_each for multi-region and multi-account deployments
  5. Provider-defined custom functions
  6. .tofu file extension for side-by-side testing with Terraform
  7. Resource exclusion and skip flags during plan/apply
  8. Full compatibility with existing Terraform providers via Plugin Protocol v6
  9. Available as cloud-hosted or self-hosted

Background

  1. Forked from Terraform in August 2023 after HashiCorp switched from MPL to BSL license.
  2. Managed under the Linux Foundation; licensed under MPL 2.0.
  3. Latest stable release is v1.11 (December 2025) with ephemeral values and conditional resource enablement.
  4. Backed by a broad coalition including Gruntwork, Spacelift, env0, Scalr, and Harness.


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